package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.service.impl.DishServiceImpl;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@Slf4j
@Api(tags = "菜品相关接口")
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result addDish(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.addDishWithFlavor(dishDTO);

        // 清除缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        // 返回数据
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids 菜品的id
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除id为 {} 的菜品", ids);
        // 调用业务层
        dishService.deleteBatch(ids);

        // 清除所有缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("查询id为{}的菜品", id);
        // 调用服务层
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据categoryId查询菜品")
    public Result getByCategoryId(Long categoryId){
        log.info("查询分类id为{}的菜品", categoryId);
        // 调用服务层
        List<Dish> dishList = dishService.getByCategoryId(categoryId);
        return Result.success(dishList);
    }

    /**
     * 菜品起售、停售
     * @param status
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售、停售")
    public Result changeStatus(@PathVariable Integer status, Long id){
        log.info("菜品起售、停售");
        // 调用服务层
        dishService.changeStatus(status, id);

        // 清除缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        // 调用服务层
        dishService.update(dishDTO);

        // 清除缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
